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United States Department of Agriculture

Agricultural Research Service

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Image Number K6057-11

Could this be job for soil-cleaning superplants? The lack of vegetation in the barren area above is a result of the soil's high zinc content and low pH. This site in Palmerton, Pennyslvania, was contaminated by a zinc smeltry operated from 1890 to 1980.

Photo by Keith Weller.

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Last Modified: 8/13/2016
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